Speculation surrounds Googleís top-secret floating facility

Speculation is rampant about the top-secret, four-story structure that has been erected atop a huge barge, now sitting next to a pier at Treasure Island in the middle of San Francisco Bay.

Speculation is rampant about the top-secret, four-story structure that has been erected atop a huge barge, now sitting next to a pier at Treasure Island in the middle of San Francisco Bay. (Nhat V. Meyer / MCT)

Speculation is rampant about the top-secret, four-story structure that has been erected atop a huge barge, now sitting next to a pier at Treasure Island in the middle of San Francisco Bay.